DE60132761T2 - Treibmittelzuführsystem - Google Patents

Treibmittelzuführsystem Download PDF

Info

Publication number
DE60132761T2
DE60132761T2 DE60132761T DE60132761T DE60132761T2 DE 60132761 T2 DE60132761 T2 DE 60132761T2 DE 60132761 T DE60132761 T DE 60132761T DE 60132761 T DE60132761 T DE 60132761T DE 60132761 T2 DE60132761 T2 DE 60132761T2
Authority
DE
Germany
Prior art keywords
propellant
valve
drum
source
bypass passage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE60132761T
Other languages
German (de)
English (en)
Other versions
DE60132761D1 (de
Inventor
Roland Y. Somerville KIM
Juan C. Lowell CARDONA
Kevin J. Andover LEVESQUE
Theodore A. Melrose BURNHAM
Alan F. Fitchburg MATTHIEU
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Trexel Inc
Original Assignee
Trexel Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Trexel Inc filed Critical Trexel Inc
Publication of DE60132761D1 publication Critical patent/DE60132761D1/de
Application granted granted Critical
Publication of DE60132761T2 publication Critical patent/DE60132761T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/3442Mixing, kneading or conveying the foamable material
    • B29C44/3446Feeding the blowing agent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/36Feeding the material to be shaped
    • B29C44/38Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/42Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
    • B29C44/424Details of machines
    • B29C44/425Valve or nozzle constructions; Details of injection devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/60Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/255Flow control means, e.g. valves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/74Bypassing means, i.e. part of the molten material being diverted into downstream stages of the extruder
    • B29C48/745Bypassing means, i.e. part of the molten material being diverted into downstream stages of the extruder for plasticising or homogenising devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92857Extrusion unit
    • B29C2948/92876Feeding, melting, plasticising or pumping zones, e.g. the melt itself

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Nozzles (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
DE60132761T 2000-03-07 2001-02-21 Treibmittelzuführsystem Expired - Lifetime DE60132761T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US18753000P 2000-03-07 2000-03-07
US187530P 2000-03-07
PCT/US2001/005542 WO2001066331A1 (en) 2000-03-07 2001-02-21 Blowing agent delivery system

Publications (2)

Publication Number Publication Date
DE60132761D1 DE60132761D1 (de) 2008-03-27
DE60132761T2 true DE60132761T2 (de) 2009-02-05

Family

ID=22689359

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60132761T Expired - Lifetime DE60132761T2 (de) 2000-03-07 2001-02-21 Treibmittelzuführsystem

Country Status (8)

Country Link
US (1) US6926507B2 (ko)
EP (1) EP1263561B1 (ko)
JP (1) JP4711587B2 (ko)
KR (1) KR20030007452A (ko)
AT (1) ATE385885T1 (ko)
AU (1) AU2001241626A1 (ko)
DE (1) DE60132761T2 (ko)
WO (1) WO2001066331A1 (ko)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7172333B2 (en) * 1999-04-02 2007-02-06 Southco, Inc. Injection molding screw
EP1724003A3 (de) 2000-01-10 2008-05-14 Georg Dr. Ickinger Anwendung eines Verfahrens sowie Verwendung einer Vorrichtung zum Einbringen eines Zuschlagstoffs in ein strömendes Medium
EP1390188A4 (en) * 2001-05-04 2007-08-15 Trexel Inc INJECTION MOLDING SYSTEMS AND METHODS
US6913517B2 (en) * 2002-05-23 2005-07-05 Cabot Microelectronics Corporation Microporous polishing pads
US20050276967A1 (en) * 2002-05-23 2005-12-15 Cabot Microelectronics Corporation Surface textured microporous polishing pads
US20040171339A1 (en) * 2002-10-28 2004-09-02 Cabot Microelectronics Corporation Microporous polishing pads
US7951449B2 (en) 2002-06-27 2011-05-31 Wenguang Ma Polyester core materials and structural sandwich composites thereof
US7318713B2 (en) * 2002-07-18 2008-01-15 Trexel, Inc. Polymer processing systems including screws
US7144532B2 (en) * 2002-10-28 2006-12-05 Trexel, Inc. Blowing agent introduction systems and methods
US8075372B2 (en) * 2004-09-01 2011-12-13 Cabot Microelectronics Corporation Polishing pad with microporous regions
US20060043219A1 (en) * 2004-09-02 2006-03-02 Moshe Raanan Drip irrigation pipe
US20080034666A1 (en) * 2005-02-15 2008-02-14 Jyawook Sam M Thermoplastic vehicle weather stripping
KR100586275B1 (ko) * 2005-04-14 2006-06-08 주식회사 화승알앤에이 불활성 가스 공급부 및 그를 이용한 발포 압출 성형 장치
GB0608216D0 (en) 2006-04-26 2006-06-07 R & D Factory The Ltd Method and apparatus for forming articles from mouldable materials
US8563621B2 (en) 2010-04-21 2013-10-22 Polyfil Corporation Blowing agents formed from nanoparticles of carbonates
EP2661343A4 (en) * 2011-01-09 2014-09-17 Husky Injection Molding MOLDING SYSTEM HAVING MATERIAL PREPARATION AND DISTRIBUTION SYSTEMS AND MATERIAL MIXING ASSEMBLY
KR102039617B1 (ko) 2011-01-27 2019-11-01 뉴우바란스아스레틱스인코포레이팃드 신발류에 사용되는 물질을 형성하기 위한 사출 성형 시스템 및 방법과 상기 시스템 및 방법에 의해 제조된 물질
EP2481289B1 (de) * 2011-01-31 2014-07-23 HB-Feinmechanik GmbH & Co.KG Verfahren zum Herstellen eines Backteiges
AU2012363114B2 (en) 2011-06-17 2016-10-06 Berry Plastics Corporation Insulated sleeve for a cup
US8883280B2 (en) 2011-08-31 2014-11-11 Berry Plastics Corporation Polymeric material for an insulated container
WO2012174422A2 (en) 2011-06-17 2012-12-20 Berry Plastics Corporation Insulated container with molded brim
US9758292B2 (en) 2011-06-17 2017-09-12 Berry Plastics Corporation Insulated container
WO2012174567A2 (en) 2011-06-17 2012-12-20 Berry Plastics Corporation Process for forming an insulated container having artwork
HUP1200156A2 (en) 2012-03-09 2013-09-30 Furukawa Electric Co Ltd Chiyoda Ku Equipment and method for producing microcellular plastics
CN104602895A (zh) 2012-08-07 2015-05-06 比瑞塑料公司 杯状件成型方法和机器
US20140091489A1 (en) * 2012-10-03 2014-04-03 Trexel, Inc. Blowing agent introduction in polymer foam processing
BR112015009329A2 (pt) 2012-10-26 2017-07-04 Berry Plastics Corp material polimérico para um recipiente isolado
KR101607361B1 (ko) * 2012-12-12 2016-03-30 (주)엘지하우시스 고분자 역류 방지부를 갖는 고분자 성형 장치
AR093944A1 (es) 2012-12-14 2015-07-01 Berry Plastics Corp Troquelado para envase
AR093943A1 (es) 2012-12-14 2015-07-01 Berry Plastics Corp Reborde de un envase termico
US9840049B2 (en) 2012-12-14 2017-12-12 Berry Plastics Corporation Cellular polymeric material
US9957365B2 (en) 2013-03-13 2018-05-01 Berry Plastics Corporation Cellular polymeric material
US20140262916A1 (en) 2013-03-14 2014-09-18 Berry Plastics Corporation Container
WO2015024018A1 (en) 2013-08-16 2015-02-19 Berry Plastics Corporation Polymeric material for an insulated container
CN106573405B (zh) * 2014-08-05 2019-08-16 斯塔拉斯莫里茨的星堡 被供与颗粒和/或液体的3d打印机头的颗粒和/或液体流量调节装置
US9956732B2 (en) 2014-08-06 2018-05-01 New Balance Athletics, Inc. Injection molding systems and methods for forming materials used in footwear and materials manufactured by said systems and methods
US9758655B2 (en) 2014-09-18 2017-09-12 Berry Plastics Corporation Cellular polymeric material
WO2016118838A1 (en) 2015-01-23 2016-07-28 Berry Plastics Corporation Polymeric material for an insulated container
WO2017007032A1 (ja) * 2015-07-08 2017-01-12 日立マクセル株式会社 発泡成形体の製造方法及び製造装置
CN105252696B (zh) * 2015-11-20 2016-12-21 武汉理工大学 一种聚合物超临界微发泡注塑成型方法
JP6777553B2 (ja) * 2017-01-11 2020-10-28 マクセル株式会社 発泡成形体の製造方法及び製造装置
US11091311B2 (en) 2017-08-08 2021-08-17 Berry Global, Inc. Insulated container and method of making the same
US20190291314A1 (en) 2018-03-20 2019-09-26 Trexel, Inc. Polymer foam processing including different types of blowing agent
US11559927B2 (en) 2018-03-01 2023-01-24 Trexel, Inc. Blowing agent introduction into hopper of polymer foam processing
JP2022500289A (ja) * 2018-09-17 2022-01-04 トレクセル・インコーポレイテッドTrexel, Inc. ポリマー・フォーム処理のシステム及び方法
CN110328798A (zh) * 2019-07-24 2019-10-15 嘉兴市佳杰包装材料有限公司 一种高发泡聚乙烯片材生产用发泡剂注入装置
CN111283947B (zh) * 2020-02-06 2021-02-26 北京化工大学 一种微发泡注塑超临界流体注气系统和方法
GB2609260A (en) * 2021-07-27 2023-02-01 Kingspan Holdings Irl Ltd Producing foam bodies

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1679981B2 (de) * 1967-12-22 1972-01-20 Chemische Werke Hüls AG, 4370 Mari Verfahren zur verformung von polybuten 1
DE1964748B2 (de) * 1969-12-24 1973-12-13 Chemische Werke Huels Ag, 4370 Marl Verfahren zum Herstellen thermo plastischer Schaumkunststoff Form korper nach dem Spritzgießverfahren
US3697204A (en) * 1970-05-07 1972-10-10 Usm Corp Apparatus for injection molding articles of foam material
GB1485587A (en) * 1974-01-22 1977-09-14 Furukawa Electric Co Ltd Process of producing a foamed thermoplastics resin articl
US4043715A (en) * 1975-06-02 1977-08-23 Ex-Cell-O Corporation Pumped injection of gas for making foamed plastic
US4124336A (en) * 1977-05-18 1978-11-07 Mobil Oil Corporation Poppet check valve for controlled feeding of blowing agent
US4211523A (en) * 1978-11-29 1980-07-08 Hoover Universal, Inc. Gas-flow control apparatus for equipment for producing foamed plastic
DE3020122C2 (de) * 1980-05-27 1984-04-26 Battenfeld Maschinenfabriken Gmbh, 5882 Meinerzhagen Schaltungsanordung zum Zudosieren von gasförmigen oder flüssigen Stoffen, insbesondere physikalischen Treibmitteln, in eine fließfähige Schmelze aus thermoplastischem Kunststoff
US4424287A (en) * 1980-06-10 1984-01-03 Mobil Oil Corporation Polymer foam process
US4344710A (en) * 1980-06-10 1982-08-17 Mobil Oil Corporation Polymer foam extrusion system
US4473665A (en) * 1982-07-30 1984-09-25 Massachusetts Institute Of Technology Microcellular closed cell foams and their method of manufacture
US4470938A (en) * 1982-08-27 1984-09-11 Mobil Oil Corporation Method and apparatus for extrusion of thermoplastic foam
US4783292A (en) * 1987-06-15 1988-11-08 Rogers Roy K Method of injection molding a foamed plastic article using a relatively light gas as a blowing agent
US5160674A (en) * 1987-07-29 1992-11-03 Massachusetts Institute Of Technology Microcellular foams of semi-crystaline polymeric materials
DE3734164C3 (de) * 1987-10-09 1999-09-09 Battenfeld Gmbh Verfahren zum Spritzgießen von Formteilen aus thermoplastischen Kunststoffen sowie Vorrichtung zur Durchführung des Verfahrens
US5098267A (en) * 1990-06-22 1992-03-24 Union Carbide Industrial Gases Technology Corporation Apparatus and method for producing and molding structural foam
US5154088A (en) * 1990-07-24 1992-10-13 The Dow Chemical Company Apparatuses and methods for incorporating blowing agents into liquids for the production of polymer foams and for measuring the volumetric expansion potential of mixtures thereof
DE4036991A1 (de) 1990-11-20 1992-05-21 Linde Ag Verfahren zur verwendung inerter treibmittel bei der herstellung aufgeschaeumter kunststoffe
US5158986A (en) * 1991-04-05 1992-10-27 Massachusetts Institute Of Technology Microcellular thermoplastic foamed with supercritical fluid
US5120559A (en) * 1991-10-03 1992-06-09 Cornell Research Foundation, Inc. Extrusion processing with supercritical fluids
DE4305866A1 (de) 1993-02-25 1994-09-01 Linde Ag Treibmitteldosierung bei der Herstellung von Kunststoffschäumen
US5328651A (en) * 1993-03-05 1994-07-12 Davidson Textron Inc. Method for manufacturing an automobile trim component by blow molding and injection molding
US5866053A (en) * 1993-11-04 1999-02-02 Massachusetts Institute Of Technology Method for providing continuous processing of microcellular and supermicrocellular foamed materials
AU6846396A (en) * 1995-08-14 1997-03-12 Massachusetts Institute Of Technology Gear throttle as a nucleation device in a continuous microcellular extrusion system
EP0923443B1 (en) 1996-08-27 2002-11-27 Trexel Inc. Method and apparatus for polymer foam extrusion, in particular microcellular foam
DE19646665A1 (de) 1996-11-12 1998-05-14 Linde Ag Durchflußregelung
WO1998031521A2 (en) 1997-01-16 1998-07-23 Trexel, Inc. Injection molding of microcellular material
GB2338925B (en) * 1997-04-02 2002-02-20 Coraltech Ltd Gas introduction
US6235380B1 (en) * 1997-07-24 2001-05-22 Trexel, Inc. Lamination of microcellular articles
EP1040158B2 (en) * 1997-12-19 2012-04-18 Trexel, Inc. Microcellular foam extrusion/blow molding process and article made thereby
US6231942B1 (en) * 1998-01-21 2001-05-15 Trexel, Inc. Method and apparatus for microcellular polypropylene extrusion, and polypropylene articles produced thereby
MY118653A (en) * 1998-07-16 2004-12-31 Mitsui Chemicals Inc Addition method of supercritical carbon dioxide, and production process of expanded thermoplastic resin product by making use of the addition method.
DE19848151C2 (de) * 1998-10-20 2002-09-19 Battenfeld Gmbh Verfahren und Vorrichtung zum Spritzgießen von Kunststoff-Formteilen aus thermoplastischem Kunststoff
KR20000032383A (ko) 1998-11-14 2000-06-15 구자홍 초미세 발포성형용 가스 공급장치
US6322347B1 (en) * 1999-04-02 2001-11-27 Trexel, Inc. Methods for manufacturing foam material including systems with pressure restriction element
US6613811B1 (en) * 1999-06-03 2003-09-02 Trexel, Inc. Microcellular thermoplastic elastomeric structures
US6593384B2 (en) * 2000-05-25 2003-07-15 Trexel, Inc. Polymer foam processing with low blowing agent levels
US6602063B1 (en) * 2000-07-21 2003-08-05 Trexel, Inc. Discontinuous blowing agent delivery system and method
US6616434B1 (en) * 2000-08-10 2003-09-09 Trexel, Inc. Blowing agent metering system

Also Published As

Publication number Publication date
JP4711587B2 (ja) 2011-06-29
EP1263561B1 (en) 2008-02-13
US6926507B2 (en) 2005-08-09
KR20030007452A (ko) 2003-01-23
EP1263561A1 (en) 2002-12-11
WO2001066331A1 (en) 2001-09-13
JP2003525780A (ja) 2003-09-02
DE60132761D1 (de) 2008-03-27
US20010033040A1 (en) 2001-10-25
AU2001241626A1 (en) 2001-09-17
ATE385885T1 (de) 2008-03-15

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